CN1035835C - Means for fastening scaffolding - Google Patents
Means for fastening scaffolding Download PDFInfo
- Publication number
- CN1035835C CN1035835C CN94119500A CN94119500A CN1035835C CN 1035835 C CN1035835 C CN 1035835C CN 94119500 A CN94119500 A CN 94119500A CN 94119500 A CN94119500 A CN 94119500A CN 1035835 C CN1035835 C CN 1035835C
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- montant
- buckle
- bowl
- clip
- card bowl
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Abstract
The present invention discloses a connection device for connecting between the vertical bar and the horizontal bar or the inclined bar of a scaffold, which is composed of a clamp bowl welded on the vertical bar, a clamp which can move on the clamp bowl, fasteners arranged at both ends of the horizontal bar or the inclined bar, and a positioning pin integrated with the vertical bar. The present invention is characterized in that the contact surface of the clamp bowl and the fasteners is a conical surface with the same angle; self-locking connection between the vertical bar and the horizontal bar or the inclined bar is formed by the angle. The present invention has the advantages of simple structure, convenient use and high stability.
Description
The present invention relates to the scaffold that a kind of building operations is used, more specifically, relate to the linkage of the rod member connection of scaffold.
Scaffold, what comprise that quadrature connects is connected with nonopiate, is that builing industry institute is indispensable, and in recent years, the building operations scaffold has bigger development, and the especially use of early removing system makes various support members, connector, regulating part that new development all be arranged.Connector as the disclosed tooth button-type of CN86.201080U multifunction scaffold, it utilizes the engagement of tooth button, attempt improves the stability of scaffold integral installation, but this connector is because the installing and locating precision is low, can not guarantee on the column several bowls tooth button direction unanimity, in the horizontal direction can only next tooth pitch stepping, buckle can not be at an arbitrary position cooperates with bowl on the column, and can produce the stability that has influence on integral installation owing to internal stress one torsion when integral body connects.Another major defect is that following bowl of this connector detained and cross bar one end joint can not pin, and detains sliding could the pinning by last bowl.Stressed on the spacer pin of last bowl button edge and upper edge thereof, so intensity of load is affected.Its three, can not locate by orthogonal system reliably when template supports being used for.US-3992118A discloses a kind of by the end of a plurality of horizon bars and the means for fastening scaffolding between the montant, wherein the end of each horizon bar is welded with laterally projecting and direction pair of opposite tongue on horizon bar, montant has opposite being suitable for of a pair of direction and admits the cradling element of said tongue on montant, wherein first cradling element is welded on this bar around montant, second cradling element be positioned at first cradling element above, can move with respect to first cradling element around montant.Said first cradling element has cup-shaped shape, and its lower end is upwards outward-dipping, and the upper end is cylindrical.Said second cradling element is lower ending opening and upwards slopes inwardly, the upper end is a cylinder, at said cylinder a projection is arranged partly, this projection have an energy by with the groove of the projection of montant one, and be the other end that is inclined upward to groove from the initial columniform upper surface of either direction of the upper end of groove.Therefore, the disclosed linkage of US-3992118A only can play the effect of rest in use after horizon bar is inserted first cradling element, and can not self-locking, and this just brings difficulty to installation.Secondly, when second cradling element with after horizon bar is connected, just contact with the upper surface of the inclination of second cradling element horizon bar and montant is linked together with the projection on the montant, from the reality use, prove, this reliability that tightens up mode is low, is easy to cause the accident.The 3rd, this connector can not be used for the connection of the rod member of non-orthogonal scaffold.
Therefore, the object of the present invention is to provide a kind of means for fastening scaffolding with auto-lock function that can overcome the novelty of the defective that exists in the prior art.
Realize an aspect with means for fastening scaffolding of auto-lock function of the present invention, described scaffold is the scaffold that quadrature connects, be included in the clip that one or more welderings card bowl is thereon arranged on the montant and can center on the montant motion, each card bowl and clip can receive one or more horizon bars that are welded with buckle, it is characterized in that the card bowl has a bowl-shape profile that is similar to U-shaped, a hole is arranged at its bottom, montant extends by this hole and is integrally welded, the inner surface of card bowl is a conical surface, and has locating slot at upper surface.At the two ends of horizon bar an axle journal is arranged respectively, the outside at axle journal is connected with buckle, buckle is to extend on the rightabout of vertical-horizontal rod axis, its outside is the face of cylinder, inboard taper surface with the card bowl has identical tapering, therefore, when horizon bar is connected with montant, forming the conical surface between the taper surface in buckle on the horizon bar and the card bowl contacts, make according to the contact of the formed conical surface of said structure and to form self-locking between buckle and the card bowl, therefore, the connection between them will be very reliable.Also having the clip that can on bar, move on the montant, clip is mainly used in when hanging scaffold and when climbing frame, so that prevent contingent disengagement between card bowl and the buckle, clip is similar to disclosed second cradling element of US-3992118A, and the following part of its inner surface is the conical surface, and the tapering of this conical surface can be identical with buckle, its external surface is one cylindrical, can certainly be other shape, a bead be arranged, a groove is arranged in the bead in the one side.On cylindrical the plane be on prolonging by a side of groove the plane to inclined-plane that a side is extended.An alignment pin that prolongs the extension of montant axis direction of one is with it arranged on said montant.When the buckle of horizon bar in case be connected with the card bowl of montant; Groove on the clip passes the alignment pin on the montant, rotates clip then, makes the following end in contact of the alignment pin on clip upper surface and the montant, like this, forms another self-locking by the upper surface (inclined-plane) of clip and its bottom surface.
Realization is according to another aspect of means for fastening scaffolding of the present invention, and the scaffold that is connected is the scaffold of nonopiate connection, as brace, and ladder etc.When using " brace " this term, do not having under the situation of other explanation later on, it means with montant is the nonopiate connector that is connected.Linkage is included in the clip that one or more welderings card bowl is thereon arranged on the montant and can center on the montant motion, each card bowl and clip can receive one or more braces that have rotatable buckle, it is characterized in that the card bowl has a bowl-shape profile that is similar to U-shaped, a hole is arranged at its bottom, montant is by this hole and integrally welded, its inner surface is a taper surface, and has several locating slots at upper surface; Form equidirectional flat part respectively at the two ends of brace, in flat part an axle journal that also can rotate about it that extends to a side by this part is arranged, on axle journal, be connected with buckle, buckle is perpendicular on the rightabout of axle journal axis direction and extends, said buckle one side is the face of cylinder, opposite side has identical tapering with the taper surface of card bowl, therefore, when brace is connected with montant, form the conical surface between the conical surface in buckle on the brace and the card bowl and contact, according to the formed conical surface contact of said structure make buckle with block bowl between form self-locking.Therefore, the connection between them will be very reliable.Also having the clip that can on bar, move on the montant, clip is mainly used in when hanging scaffold or when climbing frame, prevent contingent disengagement between card bowl and the buckle, clip is similar to disclosed second cradling element of US-3992118A, its inner surface is the conical surface, the tapering of this conical surface can be identical with the card bowl, its external surface is a cylinder, it can certainly be other shape, in the one side bead is arranged, a groove is arranged in the bead, is to prolong the inclined-plane of upper surface to the opposite side extension by a side of groove at cylindrical upper surface.An alignment pin that prolongs the extension of montant axis direction of one is with it arranged on said montant.When the buckle of brace in case be connected with the card bowl of montant, groove on the clip passes the alignment pin on the montant, rotates clip then, makes the following end in contact of the alignment pin of clip upper surface and montant, like this, the upper surface (inclined-plane) by clip forms another self-locking with its bottom surface.
Below in conjunction with the preferred embodiment of description of drawings according to means for fastening scaffolding of the present invention, still, these embodiment never mean and see qualification to protection scope of the present invention.Accompanying drawing has:
Fig. 1 is the scaffold connection diagram;
Fig. 2 is the decomposition diagram according to a preferred embodiment of means for fastening scaffolding of the present invention;
Fig. 3 is the vertical cross section according to the card bowl of device shown in Figure 2;
Fig. 4 is the top view according to the card bowl of device shown in Figure 2;
Fig. 5 is the vertical cross section according to the buckle of device shown in Figure 2;
Fig. 6 is the top view according to the buckle of device shown in Figure 2;
Fig. 7 is the vertical cross section according to the clip of device shown in Figure 2;
Fig. 8 is the top view according to the clip of device shown in Figure 2;
Fig. 9 is the decomposition diagram according to another preferred embodiment of means for fastening scaffolding of the present invention;
Figure 10 is the vertical cross section according to the buckle of device shown in Figure 9;
Figure 11 is the top view according to the buckle of device shown in Figure 9.
At first, with reference to accompanying drawing 1-8 explanation first preferred embodiment according to means for fastening scaffolding of the present invention.
As shown in Figure 1, scaffold comprises that a plurality of montants 1 form with a plurality of horizon bars 2 that are connected with every montant 1.In montant 1 and horizon bar junction a linkage 6 is arranged.Fig. 2 is seen in better detailed explanation to this linkage, and it comprises card bowls 9, clip 10, buckle 11 and with the alignment pin 35 of montant one, two horizon bars 2 that only draw among the figure are not limited to 2 certainly.
Referring to Fig. 3 and Fig. 4, card bowl 9 has the shape that is similar to U-shaped, a hole 17 is arranged below it, card bowl 9 by this borehole jack on montant 1 and the inner surface of integrally welded with it (see figure 2) card bowl 9 be taper surface 16, its cone angle is α, is generally between 3 ° to 8 °, preferably between 4 ° to 5 °.The width of groove is consistent with the buckle width.
Referring to Fig. 5 and Fig. 6, shown is the vertical cross section and the top view of buckle 11, and buckle 11 is positioned at the two ends of horizon bar 2, and its planform is identical, so that exchange.In each end of horizon bar 2 flange 21 is arranged, there is an axle journal 22 in the outside of flange 21, axle journal 22 when horizon bar 2 is connected with montant 1, can place card bowl 9 locating slot 13 above, its cross sectional shape generally is a rectangle, also can be other shape.In the outside of flange 21 are buckles 11, buckle 11 has relative two parts (seeing Fig. 2 and Fig. 5) with the horizontal axis axis normal, the outside of following part is cylindrical (Fig. 6), and the inboard is big up and small down taper, and the size of its cone angle is identical with the cone angle of the taper surface of card bowl 9.Therefore, in buckle 11 inserts card bowl 9, form conical surface contact,, thereby form self-locking because the conical surface is up big and down small.Such structure is not promptly hung liter in inactive state yet, and under the mobile situation, heavy more when the weight of being born, its self-locking property is also high more.The common α of cone angle is 3 ° to 8 °, preferably 4 ° to 5 °.The top part of buckle is substantially the same with following part, but partly short (see figure 5) below comparable.
With reference to Fig. 7 and Fig. 8, shown is the vertical cross section and the top view of clip 10, clip 10 has the profile of being inverted U-shaped, to prevent card bowl water inlet mud, upper wall has a hole 31 in it, and clip 10 passes through this borehole jack on montant α, its inner surface 32 is taperings identical with the tapering of buckle 11, so that embrace buckle, bead 33 (see figure 2)s are arranged on clip 10, a groove is arranged in the bead 33.The plane is the inclined-plane 34 that the side direction opposite side by groove extends on cylindrical.When in the card bowl 9 that the buckle on the horizon bar 2 11 inserts on the montant 1 and after forming self-locking, clip 10 moves down from the upper end of montant 1, make groove on the clip 10 pass alignment pin 35 on the montant, rotate clip 10 then and make the following end in contact of inclined-plane 34 and alignment pin 35 on its upper surface, form another self-locking.Angle of pinching β is 4 ° to 10 ° preferably 5 ° to 8 ° between upper surface of clip 10 (inclined-plane) and bottom surface.
It on the montant 1 is not the horizon bar 2 of quadrature with it that the decomposition diagram that shown in Figure 9 is according to second preferred embodiment of means for fastening scaffolding of the present invention, the difference of it and Fig. 2 only are to be connected to, but non-orthogonal brace 40.Therefore, among Fig. 9 with Fig. 2 in have an identical numbering part will no longer illustrate.Brace 40 has the flat part 40a (only drawing) that is mutually symmetrical respectively at its two ends, a hole (not shown) is arranged on flat part 40a, little axle 42 rotating ends by this Kong Xiangyi are extended, this end is fixed in the hole of axle journal 43, axle journal 43 is one with buckle 41, buckle 41 is to extend on two relative directions perpendicular to axle journal 43, its outside 2 is identical with montant 1 external diameter cylindrical, partly the inner conical surface of inboard 12 and card bowls 9 has the taper seat of identical tapering below it, tapering is generally 3 ° to 8 °, preferably 4 ° to 5 °.Therefore, in case buckle 41 is contained in the card bowl 9, because they have identical tapering, forms conical surface contact therebetween, thereby realize self-locking.The inboard of the top part of buckle 41 is mutually inboard with facial part basically, but can lack.
Get back to Fig. 2 now, the effect of the locating slot 13 that the plane is provided with on the instruction card wrist 9, locating slot 13 is to be used for quick and precisely connecting horizon bar 2, so that set up the quadrangle scaffold.
The following inner edge 14 of Fig. 3 and card bowl 9 shown in Figure 4 also is provided with several leaks 15, be used for to let out from leak 15 to the construction cement that drops on the card bowls 9 that falls down from above, avoid cement-bonded to card bowl 9, alleviate a large amount of labours that scarfing cinder spends.
From above detailed description, be not difficult to find out that device of the present invention has the following advantages to doing according to means for fastening scaffolding of the present invention:
The first, solved the self-locking problem that unresolved always for a long time buckle is connected with the card bowl.In fact, still producing, using the disclosed means for fastening scaffolding of US-3992118A so far at home.
The second, because buckle and card bowl have self-locking property, therefore can scaffold be installed quickly and accurately, improved work efficiency.
The 3rd, because the self-locking of buckle and card bowl is connected, therefore,, avoided in the prior art possibility owing to misoperation, the caused accident of poor stability with the scaffold stability height that this linkage is taken.
The 4th, solved indeterminable connection in the prior art to brace.
The applicant has done detailed explanation to design of the present invention and embodiment, can make various improvement and variation on this basis to this professional those of ordinary skill, but these improvement and variation are all within the scope of protection of present invention.
Claims (7)
1, a kind of means for fastening scaffolding, by be welded on the montant the card bowl and on montant mobilizable clip, two ends have the horizon bar of buckle, and form with the alignment pin of montant one, the contact surface that it is characterized in that buckle and card bowl is the taper surface with angle, and said angle can make and form the self-locking connection between montant and the horizon bar.
2, a kind of means for fastening scaffolding, by be welded on the montant the card bowl and on montant mobilizable clip, two ends have the brace of buckle, and form with the alignment pin of montant one, the contact surface that it is characterized in that buckle and card bowl is the taper surface with angle, and said angle can make and form the self-locking connection between montant and the brace.
3,, it is characterized in that described angle is between 3 ° to 8 ° according to claim 1 or 2 described linkages.
4,, it is characterized in that described angle is between 4 ° to 5 ° according to the described linkage of claim 3.
5,, it is characterized in that said card bowl lower edge has leak according to claim 1 or 2 described linkages.
6,, it is characterized in that the last plane of said card bowl has locating slot according to the described linkage of claim 1.
7, according to the described linkage of claim 2, it is characterized in that the buckle on the brace is rotating, therefore, brace can be connected by any angle with montant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94119500A CN1035835C (en) | 1994-12-23 | 1994-12-23 | Means for fastening scaffolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94119500A CN1035835C (en) | 1994-12-23 | 1994-12-23 | Means for fastening scaffolding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1108341A CN1108341A (en) | 1995-09-13 |
| CN1035835C true CN1035835C (en) | 1997-09-10 |
Family
ID=5039269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94119500A Expired - Fee Related CN1035835C (en) | 1994-12-23 | 1994-12-23 | Means for fastening scaffolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1035835C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368653C (en) * | 2006-06-02 | 2008-02-13 | 丹阳市利普机械配件厂 | Bowl fastening type up bowl of scaffold, and forging method |
| CN201581629U (en) * | 2009-12-28 | 2010-09-15 | 北京奥宇模板有限公司 | Bowl-disc combined type steel pipe scaffold |
| CN103343616A (en) * | 2013-07-30 | 2013-10-09 | 南通亨特管业有限公司 | Movable scaffold with bowl buckle connecting devices |
| CN103470020A (en) * | 2013-10-12 | 2013-12-25 | 江苏耀捷建设工程有限公司 | Connecting device of novel scaffold |
| CA2836564C (en) * | 2013-12-12 | 2021-02-16 | Athos Construction Products, Inc. | Cup connector for scaffold |
| CN104481127A (en) * | 2014-11-11 | 2015-04-01 | 天津大学 | Rigidly-connected and high-strength die plate supporting system |
| CN110439244A (en) * | 2019-08-12 | 2019-11-12 | 中国建筑第二工程局有限公司 | Scaffold for building |
| CN114775996A (en) * | 2022-05-27 | 2022-07-22 | 东莞市建筑科学研究院有限公司 | Upper screwing fastener scaffold and construction method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992118A (en) * | 1973-10-10 | 1976-11-16 | Sgb Group Limited | Scaffolding joint |
-
1994
- 1994-12-23 CN CN94119500A patent/CN1035835C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992118A (en) * | 1973-10-10 | 1976-11-16 | Sgb Group Limited | Scaffolding joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1108341A (en) | 1995-09-13 |
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